21921783

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{24439}}^1$

素因数の和:24478

約数の個数: 16

約数和(自身を含む): 32847360

約数和(自身を除く): 10925577

約数列:

[1, 3, 13, 23, 39, 69, 299, 897, 24439, 73317, 317707, 562097, 953121, 1686291, 7307261, 21921783]

約数ペア:

[(1, 21921783), (3, 7307261), (13, 1686291), (23, 953121), (39, 562097), (69, 317707), (299, 73317), (897, 24439)]